Weak references.

[Jarrett Billingsley]

"Sean Kelly" <sean at invisibleduck.org> wrote in message 
news:fttd02$1mp1$1 at digitalmars.com...
>
> Are these tables AAs?  And how do the weak references store their 
> reference?
> The type information provided to AAs is a bit weak, and so some 
> non-pointer
> data is currently still scanned by the GC.  I'm going to improve this a 
> bit in the
> next Tango release, but it still won't be perfect (because the compiler 
> doesn't
> provide enough info for it to be).

In my tests I've just been doing

auto weakref = new WeakRef!(A)(new A);

and then checking that after doing god-knows-what to try to get it to 
collect that instance of A, so it's not even that I'm doing anything that 
crazy.